Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / tools / lib / lockdep / include / liblockdep / common.h

diff --git a/kernel/tools/lib/lockdep/include/liblockdep/common.h b/kernel/tools/lib/lockdep/include/liblockdep/common.h
new file mode 100644 (file)
index 0000000..0bda630
--- /dev/null
+++ b/kernel/tools/lib/lockdep/include/liblockdep/common.h
@@ -0,0 +1,50 @@
+#ifndef _LIBLOCKDEP_COMMON_H
+#define _LIBLOCKDEP_COMMON_H
+
+#include <pthread.h>
+
+#define NR_LOCKDEP_CACHING_CLASSES 2
+#define MAX_LOCKDEP_SUBCLASSES 8UL
+
+#ifndef CALLER_ADDR0
+#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
+#endif
+
+#ifndef _RET_IP_
+#define _RET_IP_ CALLER_ADDR0
+#endif
+
+#ifndef _THIS_IP_
+#define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
+#endif
+
+struct lockdep_subclass_key {
+       char __one_byte;
+};
+
+struct lock_class_key {
+       struct lockdep_subclass_key subkeys[MAX_LOCKDEP_SUBCLASSES];
+};
+
+struct lockdep_map {
+       struct lock_class_key   *key;
+       struct lock_class       *class_cache[NR_LOCKDEP_CACHING_CLASSES];
+       const char              *name;
+#ifdef CONFIG_LOCK_STAT
+       int                     cpu;
+       unsigned long           ip;
+#endif
+};
+
+void lockdep_init_map(struct lockdep_map *lock, const char *name,
+                       struct lock_class_key *key, int subclass);
+void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
+                       int trylock, int read, int check,
+                       struct lockdep_map *nest_lock, unsigned long ip);
+void lock_release(struct lockdep_map *lock, int nested,
+                       unsigned long ip);
+
+#define STATIC_LOCKDEP_MAP_INIT(_name, _key) \
+       { .name = (_name), .key = (void *)(_key), }
+
+#endif